Home / 228,632.24-343,473.96-161,319.20

Finding the Fourth Proportional to 228,632.24, 343,473.96 and 161,319.20

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Solution

The fourth proportional to 228,632.24, 343,473.96 and 161,319.20 is: 242,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,632.24 : 343,473.96 = 161,319.20 : x
  2. Step 2: Convert to fraction form
    228,632.24/343,473.96 = 161,319.20/x
  3. Step 3: Cross multiply
    228,632.24x = 343,473.96 × 161,319.20
  4. Step 4: Simplify right side
    228,632.24x = 55,408,944,448.03
  5. Step 5: Solve for x
    x = 55,408,944,448.03/228,632.24
  6. Step 6: Final answer
    x = 242,349.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.